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The ASC Engineered Solutions 390173383 is a painted ductile iron grooved saddle tee designed for branch takeoff connections in grooved piping systems. The fitting accepts a 4-inch main line with a 2.5-inch outlet branch and installs using standard grooved coupling hardware. Its painted finish provides a base layer of corrosion resistance for use in mechanical, HVAC, fire protection, and industrial piping applications. At 4.68 pounds, the casting is robust enough for demanding commercial and light industrial service. Licensed pipefitters and mechanical contractors use this type of saddle tee when a branch connection must be added to an existing grooved run without cutting the full pipe section.
This saddle tee is suited for commercial and industrial piping systems where grooved-end components are the joining method of choice. Typical applications include HVAC hydronic distribution, fire suppression branch lines, and industrial process piping. The grooved outlet configuration allows connection to standard grooved couplings and fittings that match the 2.5-inch branch outlet. Installation is straightforward within an established grooved piping system where the main pipe has already been grooved or rolled to the appropriate groove profile.
Designed as an OEM-style grooved saddle tee for use in grooved piping systems with a 4-inch main line and a 2.5-inch grooved branch outlet. Consult the system designer or project specifications to confirm groove profile and pressure rating requirements before installation.
Installation should be performed by a licensed pipefitter or mechanical contractor in accordance with applicable mechanical and plumbing codes. Depressurize and drain the affected piping section before beginning work. Verify that the main pipe groove profile matches the saddle tee seat requirements before applying coupling hardware. Do not overtighten coupling bolts beyond the hardware manufacturer's specified procedure.
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